1. What you need
7-Zip
Notepad++ (or any text editor)
2. Make a copy of the .als file
Copy the Ableton .als project file
Put it in another folder
(do not edit the original file)
3. Open the .als file with 7-Zip
Right-click the .als file
7-Zip → Open archive
Select *
Click Extract and choose a folder
4. Open the extracted file
Inside the extracted folder, you will find one file without an extension
Open this file with Notepad++
5. Replace the Ableton version line
Find the second line of the file. It looks like this:
<Ableton MajorVersion="..."
MinorVersion="..."
SchemaChangeCount="..."
Creator="Ableton Live ..."
Revision="...">
❗ Do not guess these values
Correct way:
Take an .als file created in your older Ableton version
Repeat steps 3–4 on that file
Copy the second line from the old file
Paste it over the second line in the newer project file
6. Save and rename
Save the file in Notepad++
Rename the file and add .als at the end
7. Open in Ableton
Open your older Ableton Live version
Load the edited .als file
Important notes
This is not an official method
Always backup your files
It may fail if the project uses:
New Ableton devices
New automation features
New Live 12.2+ schema changes
If you see this error:
Unknown Compound Stream Type
➡️ The project cannot be opened in an older version.
Summary
Works best with audio-heavy projects
More likely to fail with MIDI + new devices
Not guaranteed across major version gaps
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